Some next steps:
1) Once we get the lens calibration done, it might be a lot better. I think there is a tutorial for this.
2) We need to work out how we quantify the error from the pictures, maybe the same method we'll use at the stream, or maybe something more suited to all the information we have about our gridded stream.
We had an exciting power outage today, which prompted an impromptu trip to Menard's. Here's a picture.